<template>
  <div class="category">
    <h1>当前求和为：{{$store.state.sum}}</h1>
    <h1>当前求和*10为：{{$store.getters.bigSum}}</h1>
    <select v-model.number="n">
      <option value="1">1</option>
      <option value="2">2</option>
      <option value="3">3</option>
    </select>
    <button @click="increment">+</button>
    <button @click="decrement">-</button>
    <button @click="incrementOdd">当前求和为奇数再加</button>
    <button @click="incrementWait">等一等再见</button>
  </div>
</template>

<script>
export default {
  name: "Count",
  data() {
    return {
      n: 1 //用户选择的数字
    }
  },
  methods: {
    increment() {
      //this.$store.commit("JIA",this.n)
      this.$store.state.sum+= this.n //vue开发者工具检测不到
    },
    decrement() {
      this.$store.commit("JIAN",this.n)
    },
    incrementOdd() {
       this.$store.dispatch("jiaOdd",this.n)
    },
    incrementWait() {
      this.$store.dispatch("jiaWait",this.n)
    }
  },
  mounted() {
    console.log(this.$store)
  }
}
</script>

<style scoped>
button {
  margin-left: 5px;
}
</style>